Chapter 1 (2)

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Across
  1. 2. Visible part of the tooth
  2. 3. Vital mineral in energy production
  3. 7. Incomplete….Lack essential aminoacid
  4. 9. Treats disordes of the digestive system
Down
  1. 1. Substances that neutralize cree radicals
  2. 4. Movement related to disolved substances into bloodstream
  3. 5. Largest internal organ
  4. 6. Helps intestine to move indigested food
  5. 7. Contractions that moves food along the digestive tract
  6. 8. Hardest substance in the body